Ruian Yihuang Stainless Steel Products Factory   Contact Name:Mr. Li Yunhui Phone:0577-65108788,65108786，13967725180 Fax:0577-65108785 Address:Industrial Zone, Rongli Village, Tingtian Town, Ruian City, Zhejiang Zipcode:325206 Email: Website: http:// DIN|IFI|SP| DIN product:Hexagon head bolts and screwsPlain washersSpecial washersStudsThreaded bar IFI product:Lock WashersPlain WasherSquare and Hex Bolts and Screws SP product:AnchorsOthers DIN 931-2 M42 to M160*6 hexagon head bolts - Product grade B DIN EN ISO 4014 | Replace DIN 931-1 Hexagon head bolts - Product grades A and B(ISO 4014:1999) DIN EN ISO 4017 | Replace DIN 933 Hexagon head screws - Product grade A and B (ISO 4017:1999)